Android TextView Set value | Android TextView Set Color | Android TextView Set Font Size programmatically

Simple TextView  Example code for beginners -

Your XML Layout-

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:background="@android:color/white"

tools:context="com.androidhub4you.textview.MainActivity" >

<TextView

android:id="@+id/textViewName"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerInParent="true"

android:text="my blog"

android:textColor="@android:color/black"

android:textSize="20dp" />

</RelativeLayout>

Your Activity-

package com.smr.textview;

import android.app.Activity;

import android.graphics.Color;

import android.os.Bundle;

import android.widget.TextView;

public class MainActivity extends Activity {

private TextView textViewName;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// get the reference of textView from your layout

textViewName = (TextView) findViewById(R.id.textViewName);

/**

* you can override xml values inside your java code too

*/

// setting the text

textViewName.setText("androidhub4you.com");

// setting the color

textViewName.setTextColor(Color.GREEN);

// setting the font size

textViewName.setTextSize(25.0f);

}

}

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